13684459 has 8 divisors (see below), whose sum is σ = 14031360. Its totient is φ = 13342056.

The previous prime is 13684457. The next prime is 13684483. The reversal of 13684459 is 95448631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13684459 - 2¹ = 13684457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13684453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5514 + ... + 7600.

It is an arithmetic number, because the mean of its divisors is an integer number (1753920).

Almost surely, 2^13684459 is an apocalyptic number.

13684459 is a deficient number, since it is larger than the sum of its proper divisors (346901).

13684459 is an equidigital number, since it uses as much as digits as its factorization.

13684459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249.

The product of its digits is 103680, while the sum is 40.

The square root of 13684459 is about 3699.2511404337. The cubic root of 13684459 is about 239.1897386287.

The spelling of 13684459 in words is "thirteen million, six hundred eighty-four thousand, four hundred fifty-nine".